Answer Posted / mathenjwa xm

Hysterisis losses are losses due to magnetization,it is the area between B-H.it is the loss due to reversal of intercore.



Eddy current loss,as the armature rotates in a DC machine ,it induces the back emf ,this emf has high current ,which is Eddy current.

what is the meaning of vcc

1913

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why they were using TRIAC instead relay in some controllers and what is the advantages.

1528

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1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

1778

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Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

1690

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What are the basic & Majour problems in UPS ?

1619

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DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

1528

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im working in one private compeny in gujarat. i was complet diploma electric in 2010 from gujarat technical board. now i want electric supervisor licence in gujarat but i dont't know when i apply? plz give me address of the licence dippartment office in gujarat. gandhinagar

1429

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my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

1470

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describe the phenomena of vacuum interruption in C.B

1255

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Explain The Application Of Storage Batteries?

705

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plz tel me syllabus and exam date 4 jr executive engg (electrical)

1503

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Differentiate between real and apparent power?

671

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How many types of circuit loads are there in a common electrical circuit?

684

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why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1428

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if we give 60 hz single phase supply to the transformer used in europe , than what will happen

1525

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